$strSQL = "SELECT * FROM customer WHERE (cus_id LIKE '%".$_GET["txtKeyword"]."%' or company LIKE '%".$_GET["txtKeyword"]."%' or cus_name LIKE '%".$_GET["txtKeyword"]."%')";
$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
$Num_Rows = mysql_num_rows($objQuery);